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Pie Chart Backward Compatibility

Posted By Vahid Mesri 2 Years Ago
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Vahid Mesri
Problem Posted 2 Years Ago
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Last Active: Last Year
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Hi,
We have recently updated the Nevron component on our server to the latest version. Unfortunately the following lines couldn't be compiled for one of our existing pie charts:

series1.BeginAngle = 90;
series1.InnerRadius = new NLength(30, NRelativeUnit.ParentPercentage);
series1.Radius = new NLength(50, NRelativeUnit.ParentPercentage);


Where Series1 is a NPieChart:
NPieChart pieChart1 = context.document.Charts[0] as NPieChart;

Can you please tell us how we can set the mentioned properties for the pie chart?

Thanks a lot,
Vahid

Nevron Support
Posted 2 Years Ago
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Hi Vahid,

The BeginAngle, Radius and InnerRadius are member of NPieChart - in previous versions of the control they were members of the NPieSeries - which was not correct in our view. The following code shows how to specify those properties in a simple pie chart:

   nChartControl1.Panels.Clear();

   NPieChart pieChart = new NPieChart();

   nChartControl1.Panels.Add(pieChart);
   pieChart.BeginAngle = 90;
   pieChart.InnerRadius = new NLength(30, NRelativeUnit.ParentPercentage);
   pieChart.Radius = new NLength(50, NRelativeUnit.ParentPercentage);

   NPieSeries pieSeries = new NPieSeries();
   pieSeries.PieStyle = PieStyle.Ring;
   pieSeries.Values.Add(10);
   pieSeries.Values.Add(20);
   pieSeries.Values.Add(30);
   pieChart.Series.Add(pieSeries);

Hope this helps - let us know if you meet any problems or have any questions.


Best Regards,
Nevron Support Team





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